Answer:
vertex is 2
Step-by-step explanation:
vertex is 2 because the formula is -b/2(a)
so if we substitute it is -8/2(2)
simplify it will be 2
Is 2.45454545454545... a rational or irrational number
Answer:
Step-by-step explanation:
Well if that’s the whole answer than it’s fine but i’m sure you don’t want to write that out so just round it to 2
Answer:
Yes, a repeating decimal is considered a rational number because it can be written as a fraction, so it is rational.
Step-by-step explanation:
55/5 divided by 11/4
Answer:
1/4 in fraction form or in decimal form its 0.25
Step-by-step explanation:
Answer: 4
Explanation: To solve (⁵⁵⁄₅) ÷ (¹¹⁄₄), you must follow PEMDAS. And so, I'd divide what's inside the parentheses. 55 divided by 5 is 11, and 11 divided by 4 is 2.75. Now, our equation should look like this: 11 ÷ 2.75. After dividing, you should get a quotient of 4.
I hope this helped!
Good luck <3
Points A, B, C, D, E, and F are located on the number line.
Which statements are true about the numbers represented by the points? Check all that apply.
The number represented by Point C is equal to the number represented by Point F.
Point A is neither greater nor less than the numbers represented by the other points.
Point D represents a number less than the number Point C represents.
Point A represents a number greater than the number Point F represents.
Point E represents the smallest number of all the numbers represented by points.
Answer:
The first answer is
"Point D represents a number less than the number Point C represents"
the other answer is
"Point E represents the smallest number of all the numbers represented by the points
Step-by-step explanation:
Hope this helps!
The correct statements are third "Point D represents a number less than the number Point C represents", and fifth "Point E represents the smallest number of all the numbers represented by points".
Given information:
The number line shows 6 points A, B, C, D, E, and F.
The sequence of numbers from left to right is E, B, D, C, A, and F.
In the number line, a point or number on the right is bigger than the point or number on the left.
From this, we can conclude that:
Point C is on the left of point F. So, point C is less than point F. The first statement is wrong.All the points are on the different locations on the number line. So, all the points represent different numbers. The second statement is also wrong.Point D is on the left of point C. So, the number represented by point D is less than the number represented by point C. The third statement is correct.Point F is on the rightmost location. So, it is the greatest number. The fourth statement is wrong.Point E is on the leftmost location. So, the number represented by point E is the smallest among the given 6 points. The fifth statement is correct.Therefore, the correct statements are third "Point D represents a number less than the number Point C represents", and fifth "Point E represents the smallest number of all the numbers represented by points".
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Help please!!! :((( thank you!
Answer: B
Step-by-step explanation: B, because lines A and C would more likely connect to B
How can you determine the sign of the answer when dividing 5 integers that all have negative signs?
Answer:
it would be Negative
Step-by-step:
let take -100/-2/-1/-2/-1 (yes easy i know)
-100/-2= 50
50/-1= -50
50/-2= 25
25/-1= -25
can someone plz help me with this math equation!!

Answer:
[tex]4x^3-2x^2-2x+3[/tex]
<3
Red
If the area of a square is 32 square feet, estimate the length of each side of the square to the nearest whole number.
Answer:
the answer is actually 6
Step-by-step explanation:
The length of each side of the square to the nearest whole number is 6 feet.
Given that, the area of a square is 32 square feet.
We need to estimate the length of each side of the square to the nearest whole number.
What is the area of a square?A square is a closed two-dimensional shape with four equal sides and four equal angles. The four sides of the square form the four angles at the vertices. The sum of the total length of the sides of a square is its perimeter, and the total space occupied by the shape is the area of the square. The formula to find the area of a square =a², where a=side of a square.
Now, a²=32 square feet
⇒a=√32
⇒a=5.65≈6
Therefore, the length of each side of the square to the nearest whole number is 6 feet.
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Two points,L and N are 160 m apart. M lies on the straight line joining L and N. An object travels from L to M at an average speed of 10 m/s in 6 seconds and then from M to N at an average speed of 25 m/s. Find the average speed of the object for it's entire journey from L to N.
Answer:
16m/sStep-by-step explanation:
If the object travels from L to M at an average speed of 10 m/s in 6 seconds, we can get the distance LM using the formula;
Speed = Distance/Time
Distance = Speed * Time
Distance = 10 * 6
Distance = 60m
Hence LM = 60m
Since LN = LM + MN
160 = 60 + MN
MN = 160-60
MN = 100m
If the object moves from M to N at an average speed of 25 m/s througj a distance od 100m, the time taken will be expressed as;
Time = distance/speed
Time = 100/25
Time = 4secs
Total time taken to move from L to N is 6secs + 4secs = 10secs
The average speed of the object for it's entire journey from L to N will be:
Average speed = Distance LN/10
Average speed for the entire journey = 160/10 = 16m/s
Hence the average speed of the object for it's entire journey from L to N is 16m/s
In the function y=-3x^2+1 what effect does the negative sign have on
the graph, as compared to the graph of Y=x^2 help please
Answer:
The negative sign in the function will make it a downward-opening parabola, and its vertex will be its highest point.
Answer:
It reflects the graph across x-axis
Step-by-step explanation:
It's a vertical reflection.
Anna completes a test that had 120 questions for a math competition. Each correct answer is worth +4 points, and each wrong answer is worth -2 points. Anna finishes the entire test and receives a score of zero. How many correct and incorrect answers did she have?
Answer:
40 correct and 80 incorrect
Step-by-step explanation:
40*4=160
80*2=160
Answer: 40 Correct and 80 Incorrect
Step-by-step explanation: Every answer she gets correct, she can afford to get 2 answer wrong meaning the number of incorrect answers must be twice the amount of correct. 40(4)=160 80(-2)=160 which evens out to zero
What is X , J , K , and M
Answer:
[tex]x=11\\j=54\\k=54\\m=126[/tex]
Step-by-step explanation:
The two angles [tex](11x+5)[/tex] and [tex](5x-1)[/tex] are supplementary angles, meaning that their degrees add up to 180°. To find the value of [tex]x[/tex], we can use the following equation:
[tex](11x+5)+(5x-1)= 180[/tex]
Solve for [tex]x[/tex].
[tex](11x+5)+(5x-1)= 180[/tex]
[tex](16x+4)=180[/tex]
[tex]16x=176[/tex]
[tex]x=11[/tex]
After finding the value of [tex]x[/tex], plug the values into the equations.
[tex]11x+5=[/tex]
[tex]11(11)+5=[/tex]
[tex]121+5=126[/tex]
[tex]5x-1=[/tex]
[tex]5(11)-1=[/tex]
[tex]55-1=54[/tex]
Check to make sure your angles add up to 180.
[tex]126+54=180[/tex]
To figure out the rest of our angles, we must look at the given figures. Our 54° angle ([tex]5x-1[/tex]) and [tex]j[/tex] are vertical angles. Vertical angles are congruent which means [tex]j=54[/tex]. Our 126° angle ([tex]11x+5[/tex]) and [tex]m[/tex] are also vertical angles which means [tex]m=126[/tex]. Angle [tex]j[/tex] and angle [tex]k[/tex] are alternate interior angles. Alternate interior angles are also congruent which means [tex]k=54[/tex].
[tex]j=54\\k=54\\m=126[/tex]
~Hope this helps!~
Input. 1 and 4
Output -1, 1, 2, -2
Function
Not function
Answer:
Not function.
Step-by-step explanation:
Because we have more than one output for 1 or 4 input.
A marching band wants to line up for their performance. When they line up in threes there are 2 left over. When they line up in fours there are 3 left over. When they line up in fives there are 4 left over. When they line up in sixes there are 5 left over.
Answer: They are 59 members in the band
Step-by-step explanation:
given data:
when lined up in 3 = 2 left.
when lined up in 4 = 3 left
when they are lined up in 5 = 4 left
when they are lined up in 6 = 5 left
Solution:
From the given data, we know the band number ends with 9, so we start with 9,29,49,59. We test till we arrive at our desired answer.
59/3 = 19 R 2.
59/4 = 14 R 3.
59/5 = 11 R 4.
59/6 = 9 R 5.
They are 59 members in the band.
Select the graph for the solution of the open sentence. Click until the correct graph appears. 5|x| + 3 < 18
Answer:
see below
Step-by-step explanation:
5|x| + 3 < 18
Subtract 3 from each side
5|x| + 3-3 < 18-3
5|x| < 15
Divide by 5
5|x| /5 < 15/5
|x| < 3
There are two solutions for an absolute value, one positive and one negative ( the negative flips the inequality)
x <3 and x > -3
Answer:5|x| + 3 < 18
Step-by-step explanation:
sixty-six subtracted from a number p
Please help, idk if I am right!
yeah your right
good joobbbb
Plz help me!!!!!!!!!!!!!!!!
Answer:
Well for number 3 it is the fourth join
And for four is the second option
Step-by-step explanation:
Number three is the fourth choice because all you do is take the two numbers and put the colun there.
And for number four is the second option because you do the same
LET ME KNOW ON HOW YOU DID IN THE COMMENTS!!
Scores on the Welcher Adult Intelligent Scale (a standard IQ test) for the 20 to 34 age group are approximately normally distributed with μ=110 and σ=25. At what percentile is an IQ score of 150? (meaning at most 150, less than 150, or x ≤150). NOTE: μ is the population mean, and σ is the population standard deviation. Z= (x-μ)/σ and x is the score.Required to answer.Single choice.Immersive Reader
Answer:
94.52% or 94.52 percentile
Step-by-step explanation:
Z= (x-μ)/σ
μ is the population mean, and σ is the population standard deviation.
μ=110 and σ=25, x = 150( IQ score)
Z = 150 - 110/25
= 40/25
Z = 1.6
Probability value from Z-Table:
P(x≤ 150) = 0.9452
Converting to percentage = 0.9452 × 100
= 94.52% or 94.52 percentile
You are considering buying a 30-year U.S. Treasury bond but are nervous about the effect on bond price if the yield to maturity on the bond increases. The bond has a 3% coupon rate and pays coupons semi-annually. The duration is 19 years. Suppose that interest rates on this bond rise by 0.9%. Calculate the corresponding percentage change in the price of the bond using the approximation method based on bond duration.
Answer:
The corresponding change in bond price = 17.1%
Step-by-step explanation:
In this question, we are interested in calculating the percentage change in the bond price using the approximation method based on bond duration;
Mathematically;
% change in bond price = Duration * Change in yield
From the question;
Duration = 19 years
Change in yield = 0.9%
Thus;
% change in bond price = 19 * 0.9% = 17.1%
Look at the attached image. I have no idea what to do.
Answer:
(X+3)(x+2)(x-1)(x-30)
Step-by-step explanation:
Haven’t done this in a while so I may be incorrect but that’s factored form
how would i put this into a fraction; 0.0765
Answer:
153/2000
Step-by-step explanation:
0.0765 is the same as 765/10000
765 divided by 5/10000 divided by 5
equals 153/2000
17 Kelly's dad compares her running times in a marathon to her times for
last year's race. He records whether she has increased or decreased her
time for the first three stages of the race. What is the total increase or
decrease in Kelly's time? Did she improve her time? Explain.
Kelly's Marathon Times
Time Comparison
Stage
(in minutes)
First
Second
->
Third
-3
Show your work.
Answer:
Step-by-step explanation:
5
The ages of three siblings combined is 27. The oldest is twice the age of the youngest. The middle child s three years older than the youngest. Write and solve an equation to find the ages of each sibling.
Answer:
The ages of the children are 6, 9 and 12.
Explanation:
Let x= the age of the youngest child.
If the oldest child is twice the age of the youngest, the age of the oldest child is twice x or 2x.
If the middle child is 3 years older than the youngest, the age of the middle child is x+3.
If the sum of their ages is 27, then
x+2x+x+3=27aaa(Combine like terms)
4x+3=27aaa
aa−3a−3aaa(Subtract 3 from both sides)
4x=24
4x4=24aaa(Divide both sides by 4)
Answer:
6, 9 & 12
Step-by-step explanation:
let x represent the age of the youngest kid
if the oldest kid is twice the age of the youngest, then it would be 2x
if the middle kid is 3 years older than the youngest, let this be x+3
if their ages in total is 27, then the equation is
x+2x+x+3=27
combine like terms first
4x+3=27
subtract 3 from both sides
4x=24
divide both sides by 4
you get 6. The youngest kid is 6.
For the oldest kid, the equation is 2x=2 times 6=12
the age of the middle child, equation is (x+3)=6+3=9
Hoped this helped!
Mitchell took a math exam today. If he got 63 out of 84 questions correct, what percentage did Mitchell get wrong?
Answer:
i believe 0.75%.
Step-by-step explanation:
because 63 divide by 84 equals 0.75
What is the solution to p+1/2 = 3p + 7/5? Help would be appreciated. Do your best pls
Answer:
p = -9
Step-by-step explanation:
So, we need to find the value of p.
Please refer to the ATTACHMENT.....I hope it will help.Evaluate the expression.
(5+9÷3)2
Answer:
The answer to the equation is 16
Answer:
16
Step-by-step explanation:
Simplify 9\div 39÷3 to 33.
(5+3)\times 2(5+3)×2
2 Simplify 5+35+3 to 88.
8\times 28×2
3 Simplify.
1616
HELP ASAP
Which expression is equivalent to this polynomial?
4x^2+27
THE ANSWER IS A.
HOPE THIS HELPSSS!!!! :D
brainliest pls
The equivalent expression for the given polynomial is (2x+3√3)². Therefore, option C is the correct answer.
The given expression is 4x²+27.
What is factorisation?In mathematics, factorization or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind.
Now, 4x²+27 can be written as 2².x²+9.3
=2².x²+3².(√3)²
=(2x+3√3)²
Hence, the equivalent expression is (2x+3√3)².
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A natural food store makes its own brand of trail mix out of dried apples, raisins, and peanuts. One pound of
the mixture costs $3.18. It contains twice as much peanuts by weight as apples. One pound of dried apples costs $4.48, a pound of raisins $2.40, and a pound of peanuts $3.44. How many ounces of each ingredient are contained in 1 pound of the trail mix?
Answer:
50.88
Step-by-step explanation:
dried apples,raisins and peanuts. One pound of the mixture is $3.18
it contains twice as much peanuts by weight than apples.
:
One pound of dried apples cost $4.48, a pound of raisins cost $2.40 and
a pound of peanuts is $ 3.44.
:
How many ounces of each ingredient are contained in one pound of the trail mix?
:
Here it is, step-by-step
:
Let a = no. of oz of apples
Let r = no. of oz of raisins
Let p = no. of oz of peanuts
:
The equation:
4.48a + 2.40r + 3.44p = 3.18(16)
:
It says p = 2a, substitute 2a for p
4.48a + 2.40r + 3.44(2a) = 3.18(16)
:
4.48a + 2.40r + 6.88a = 50.88
:
4.48a + 6.88a + 2.40r = 50.88
:
11.36a + 2.40r = 50.88
:
At this point we can say: r = (16-3a), a represents apples & peanuts here.
Substitute (16-3a) for r, solve for a;
11.36a + 2.40(16-3a) = 50.88
:
11.36a + 38.40 - 7.2a = 50.88
:
11.36a - 7.2a = 50.88 - 38.40
:
4.16a = 12.48
a = 12.48%2F4.16
a = 3 oz dried apples
then
P = 2(3)
P = 6 oz of peanuts
:
Find r:
r = 16 - 3 - 6
r = 7 oz of raisins
;
:
Check these values for a, r, p in the cost equation
4.48(3) + 2.40(7) + 3.44(6) = 3.18(16)
13.44 + 16.8 + 20.64 = 50.88; confirms our solutions
3 ounce of dried apples, 7 ounce of raisins and 6 ounce of peanuts are contained in 1 pound of the trail mix
What is Algebra?Algebra is the branch of mathematics that helps in the representation of problems or situations in the form of mathematical expressions.
Given:
Dried apples, raisins and peanuts.
One pound of the mixture is $3.18
it contains twice as much peanuts by weight than apples.
One pound of dried apples cost = $4.48,
raisins cost = $2.40
peanuts cost = $ 3.44.
Let x be number of oz of apples
Let y be number of oz of raisins
Let z be number of oz of peanuts
So, the equation can be written as
4.48x + 2.40y + 3.44z = 3.18(16)
As, z = 2x,
4.48x + 2.40y + 3.44(2x) = 3.18(16)
4.48x + 2.40y + 6.88x = 50.88
4.48x + 6.88x + 2.40y = 50.88
11.36x + 2.40y = 50.88
Also, y= (16-3a)
11.36x + 2.40(16-3x) = 50.88
11.36x + 38.40 - 7.2x= 50.88
11.36x - 7.2x = 50.88 - 38.40
4.16x = 12.48
x = 12.48 / 4.16
x = 3
and, z = 2(3)
z = 6
Similarly, y = 16 - 3 - 6
y = 7
Hence, 3 ounce of dried apples, 7 ounce of raisins and 6 ounce of peanuts.
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A school is having a pizza party. Each pizza is cut into 12 slices. Which explains whether it is better to estimate a greater or lesser number than the actual number of people that will eat pizza?
A.
It is better to estimate a lesser number of people so the school can save money by ordering fewer pizzas.
B.
It is better to estimate a greater number of people to make sure there is enough pizza for everyone.
C.
It is better to estimate a lesser number of people to make sure there will not be extra pizza that will get thrown away.
D.
It is better to estimate a greater number of people because they can return any extra pizza that does not get eaten.
Answer: I think B
Step-by-step explanation:
Answer:
It is better to estimate a greater number of people to make sure there is enough pizza for everyonea(b + c) = a • b + a • c, where a, b, and c are real numbers
Use the distributive property to simplify the expression.
8(3 + 4) = 24 +
Answer:
56a
Step-by-step explanation:
Hi there !
8(3 + 4) =
= 8×3 + 8×4
= 24 + 32
= 56
Good luck !
Answer: 32
Step-by-step explanation: edge